Files

110 lines
3.7 KiB
Rust

mod common;
use std::time::Duration;
use common::{
challenge, client, publish, query_envelope, register, spawn_relay, spawn_relay_with_capacity,
};
use frxd::crypto::Keypair;
use futures_util::StreamExt;
async fn open_stream(http: &reqwest::Client, relay: &str, key: &Keypair) -> reqwest::Response {
let member = key.public_hex();
let nonce = challenge(http, relay, &member).await.expect("challenge");
let sig = key.sign(&frxd::crypto::poll_signing_bytes(&member, &nonce));
http.get(format!(
"{relay}/v1/stream?member={member}&nonce={nonce}&sig={sig}"
))
.send()
.await
.unwrap()
}
async fn read_until<S>(mut stream: S, needle: &str, timeout: Duration) -> (String, S)
where
S: futures_util::Stream<Item = Result<bytes::Bytes, reqwest::Error>> + Unpin,
{
let mut buffer = String::new();
let deadline = tokio::time::Instant::now() + timeout;
loop {
let remaining = deadline.saturating_duration_since(tokio::time::Instant::now());
let chunk = tokio::time::timeout(remaining, stream.next())
.await
.expect("timed out waiting for stream data");
match chunk {
Some(Ok(bytes)) => {
buffer.push_str(&String::from_utf8_lossy(&bytes));
if buffer.contains(needle) {
return (buffer, stream);
}
}
Some(Err(error)) => panic!("stream error: {error}"),
None => panic!("stream closed before '{needle}'"),
}
}
}
#[tokio::test(flavor = "multi_thread", worker_threads = 4)]
async fn stream_delivers_envelopes_live() {
let relay = spawn_relay().await;
let http = client();
let member = Keypair::generate();
let publisher = Keypair::generate();
let response = open_stream(&http, &relay, &member).await;
assert!(response.status().is_success());
assert!(
response
.headers()
.get("content-type")
.and_then(|value| value.to_str().ok())
.unwrap_or("")
.contains("text/event-stream")
);
let envelope = query_envelope(&publisher, &publisher.public_hex(), "live stream", 5);
assert!(
publish(&http, &relay, &envelope)
.await
.status()
.is_success()
);
let (buffer, _) = read_until(
response.bytes_stream(),
"live stream",
Duration::from_secs(3),
)
.await;
assert!(buffer.contains("event: envelope"), "{buffer}");
}
#[tokio::test(flavor = "multi_thread", worker_threads = 4)]
async fn stream_reports_lag_then_recovers() {
let relay = spawn_relay_with_capacity(1).await;
let http = client();
let member = Keypair::generate();
let publisher = Keypair::generate();
register(&http, &relay, &member).await;
let first = query_envelope(&publisher, &publisher.public_hex(), "first", 5);
assert!(publish(&http, &relay, &first).await.status().is_success());
let second = query_envelope(&publisher, &publisher.public_hex(), "second", 5);
assert!(publish(&http, &relay, &second).await.status().is_success());
let response = open_stream(&http, &relay, &member).await;
assert!(response.status().is_success());
let (buffer, stream) = read_until(
response.bytes_stream(),
"\"missed\"",
Duration::from_secs(3),
)
.await;
assert!(buffer.contains("event: lag"), "{buffer}");
let third = query_envelope(&publisher, &publisher.public_hex(), "third", 5);
assert!(publish(&http, &relay, &third).await.status().is_success());
let (buffer, _) = read_until(stream, "third", Duration::from_secs(3)).await;
assert!(buffer.contains("event: envelope"), "{buffer}");
}